User Reference Guide SST-PB3S-CLX-RLL
26 Installing the SST-PB3S-CLX-RLL Slave
©2014 Molex Inc. Industrial Products Business Unit, Integrated Products Division
Document Edition: 1.0, Document #: 715-0109, Template Edition: 1.1, Template #: QMS-06-045
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4.3 PROFIBUS LED and Display States
The following tables show how the LEDs and the display work together to provide detailed
information on the operation of the slave.
Table 4: COM LED Behavior
A recoverable or unrecoverable fatal error has occurred when COMM
and SYS LED are solid red at the same time.
The Profibus slave is in offline or online state.
This may occur when putting the Profibus Slave online but the COMM
LED should then go off and remain off after going online.
Table 5: OK LED Behavior
Initialization is complete and module is ready
Table 6: SYS LED Behavior
The Profibus slave is being scanned by a DP Master in RUN mode.
The Profibus slave is online but is not being scanned by a DP Master
The Profibus slave is online and being scanned by a DP Master in
CLEAR mode.
The Profibus slave is offline.
Note
The COMM LED is always off while the slave is operational.